Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Tann Lien, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1427751924

Tann Lien, DO is an Internal Medicine in San Francisco, California. Graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2023, 3 years ago. Registered with an NPI since 2023.

Years since qualifying
3
Trained at
Kansas City University of Med & Biosciences, College of Osteo Med
In the registry since
2023
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

San Francisco, CA

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1427751924
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 23, 2023
Last updated in NPPESMarch 23, 2023
Certification dateMarch 23, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolKANSAS CITY UNIVERSITY OF MED & BIOSCIENCES, COLLEGE OF OSTEO MED
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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